> I would also factor in efficiency usage of appliances and house insulation etc playing into that 20% factor more than most. Dare say lighting has seen a big r

> I would also factor in efficiency usage of appliances and house insulation etc playing into that 20% factor more than most. Dare say lighting has seen a big reduction in electricity usage in that period due to LED's. There's a chart somewhere that quantifies the savings due to increased household efficiency We switched to LED for all the lights in the house, and noticed a reduction in our electricity costs